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Why Intel Deprecated SGX?
The rumors about Intel SGX deprecated in new processors has been confirmed, 12th generation processors (Workstation/Desktop/Laptop/embedded platforms) will deprecate SGX and the SGX will continue to support only in high-end Xeon CPU for server:
Another option is to use the key agreement protocol to establish a secure communication channel between DMI buses, which ME fw can be used to store DAKs or to implement fTPM. Lack of transparency, Intel SGX implementation is closed-source in terms of dependencies on the underlying firmware, which means it can’t be audited properly with acceptable cost. Intel didn’t open up SGX-based third-party attestation services to SME client until December 2018, a decision that may have been a little late from a market and ecological perspective.
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